<template>
	<view class="my-settle-container">
		<label class="radio" @click="changeAllState">
			<radio color="#C00000" :checked="isFullCheck" /><text>全选</text>
		</label>
		<view class="amount-box">
			合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<view class="btn-settle" @click="settlement">
			结算({{checkedGoodsAmount}})
		</view>
	</view>
</template>

<script>
	import {mapGetters,mapMutations,mapState} from "vuex"
	export default {
		name:"my-settle",
		computed:{
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			isFullCheck(){
			return	this.total === this.checkedCount
			}
		},
		data() {
			return {
				seconds:3,
				timer:null
			};
		},
		methods:{
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			changeAllState(){
				// console.log(!this.isFullCheck);
				this.updateAllGoodsState(!this.isFullCheck)
			},
			settlement(){
				if(!this.checkedCount){
				return	uni.$showMsg("请选择要结算的商品！")
				}
				if(!this.addstr){
				return	uni.$showMsg("请选择收货地址！")
				}
				if(!this.token){
				return	uni.$showMsg("请先登录！")
				}
				if(!this.token){
				return	this.delayNavigate()
				}
				this.payOrder()
			},
		async	payOrder(){
				//1.创建订单
				//1.1组织订单的信息对象
				const orderInfo={
					// order_price:this.checkedGoodsAmount,
					order_price:0.01,
					consignee_addr:this.addstr,
					goods:this.cart.filter(x=>x.goods_state).map(x=>({
						goods_id:x.goods_id,
						goods_number:x.goods_count,
						goods_price:x.goods_price
					}))
				}
				//1.2发起请求创建订单
				const {data:res}=await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				if(res.meta.status!==200){
					return uni.$showMsg('创建订单失败！')
				}
				//1.3得到服务器响应的订单编号
				const orderNumber=res.message.order_number
				// console.log(orderNumber)
				//2.订单预支付
				//2.1发起请求获取订单的支付信息
				const {data:res2}=await uni.$http.post('api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
				//2.2预支付订单生成失效
				if(res2.meta.status!==200)return uni.$showMsg('预支付订单生成失效！')
				//2.3得到订单支付的相关必要参数
				const payInfo=res2.message.pay
				// console.log(payInfo);
				//3.发起微信支付
				//3.1调用uni.requestPayment()发起微信支付
				const [err,succ]=await uni.requestPayment(payInfo)
				//3.2未完成支付
				if(err)return uni.$showMsg('订单未支付！')
				//3.3完成了支付，进一步查询支付的结果
				const {data:res3}=await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
				//3.4检测到订单未支付
				if(res3.meta.status!==200)return uni.$showMsg('订单未支付！')
				//3.5检测到订单支付完成
				uni.showToast({
					title:'订单支付完成！',
					icon:'success'
				})
			},
			delayNavigate(){
				this.seconds=3
				this.showTips(this.seconds)
			this.timer=	setInterval(()=>{
					this.seconds--
					if(this.seconds<=0){
						clearInterval(this.timer)
						uni.switchTab({
							url:'/pages/my/my',
							success:() =>{
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
								
							}
						})
						return
					}
					this.showTips(this.seconds)
				},1000)
			},
			//展示倒计时的提示消息
			showTips(n){
				uni.showToast({
					icon:'none',
					title:'请先登录后再结算！'+n+'秒之后自动跳转到登录页面',
					//为页面添加透明遮罩，防止点击击穿
					mask:true,
					duration:1500
				})
			}
		}
	}
</script>

<style lang="scss">
.my-settle-container{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: white;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-left: 5px;
	.radio{
		display: flex;
		align-items: center;
	}
	.amount-box{
		.amount{
			color: #C00000;
			font-weight: blod;
		}
	}
	.btn-settle{
		background-color: #C00000;
		height: 50px;
		color: white;
		line-height: 50px;
		min-width: 100px;
		text-align: center;
	}
}
</style>